code: def __init__(self):
      super().__init__()
      self.w = Work()
  
file_path: pytorch-lightning/docs/source-app/core_api/lightning_app/app.py
imports: from lightning.app import LightningWork, LightningFlow, LightningApp
  from lightning.app.utilities.app_helpers import pretty_state
label_desc: Use image node_id 1 to create a new Flow object from inherited base classes: LightningFlow with example: obj = Flow()